Patents for F04D 29 - Details, component parts, or accessories (70,655)
12/1990
12/18/1990US4978281 Vibration dampened blower
12/18/1990US4978280 Variable guide vane arrangement for a compressor
12/18/1990US4978279 Simplified inlet guide vane construction for a rotary compressor
12/18/1990US4978278 Turbomachine with seal fluid recovery channel
12/18/1990CA1277868C Pump construction
12/13/1990WO1990015273A1 Sealing arrangement
12/13/1990WO1990015254A1 Axial flow ring fan
12/13/1990WO1990015253A1 Axial flow ring fan with fall off
12/13/1990WO1990015183A1 Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping
12/12/1990EP0402095A2 Ceramic turbo charger rotor
12/12/1990EP0401761A2 Magnet pump
12/12/1990EP0401670A2 Self-priming centrifugal pump
12/11/1990US4976446 Reactor coolant pump auxiliary seal for reactor coolant system vacuum degasification
12/11/1990CA1277542C Pulp centrifugal pump
12/08/1990CA2016811A1 Axial flow ring fan with fall off
12/06/1990DE3938975C1 Gas feed for process plant - uses identical fans and housings to give equal efficiency in either direction
12/06/1990DE3917811A1 Pump for use in sterile or clean room - has cooling system for motor which does not require circulation of air
12/05/1990CN2066913U Water pump sealing part
12/04/1990US4975184 Horizontal removable pump for filtration systems
12/04/1990US4974998 Wear-resistant centrifugal solids pump lining
12/04/1990CA1277171C Radial upblast exhaust fan apparatus
11/1990
11/29/1990WO1990014243A1 A radiator assembly and a cowl assembly therefor
11/29/1990DE3916915A1 Housing for immersion pump motor - has pump chamber containing drivable pump wheel with inlet and outlet union on chamber under side
11/29/1990DE3546775C2 Gas turbine engine compressor stage
11/28/1990EP0399343A1 Impeller for turbo pump for water jet propulsion machinery, and turbo pump including same impeller
11/28/1990EP0399144A1 Connection for fan impeller
11/28/1990CN2066525U Low vibration ventilator
11/27/1990US4973405 Floating suction head assembly
11/27/1990US4973403 Suction head and strainer assembly
11/27/1990US4973231 Submersible pump
11/27/1990US4973224 Impeller-and-seal unit for liquid pumps
11/27/1990US4973222 Pump
11/27/1990US4973063 Tandem mounted face seals
11/27/1990US4972570 Method of manufacturing an oscillating fan
11/22/1990EP0398377A2 Rotary hydraulic machine
11/22/1990EP0398005A2 Pump
11/22/1990EP0211051B1 Mechanical seal
11/21/1990CN2066088U High-efficient centrifugal pump
11/21/1990CN1010499B Pump
11/21/1990CN1010494B Lubricating device for turbine machine
11/20/1990US4971526 Dual auger top loading pumping system for manure tank wagon
11/20/1990US4971521 Airfoil blade for impeller fan and manufacturing method thereof
11/20/1990US4971520 High efficiency fan
11/20/1990US4971519 Method and apparatus for pumping high consistency medium
11/20/1990US4971518 Radial fan with integrated dust separator
11/20/1990US4971143 Fan stator assembly for heat exchanger
11/20/1990CA1276416C Air blower assembly for vacuum cleaners
11/15/1990WO1990013746A1 Propeller
11/15/1990WO1990013460A1 Double-acting pump, in particular for windscreen wiper systems in motor vehicles
11/14/1990EP0397041A2 Rotary hydraulic pump
11/14/1990EP0396601A1 Filtration assembly comprising a pump
11/14/1990CN1046963A Connecting ring multiaspect centrifugal sealing device for pump
11/14/1990CN1046962A Screw recoil pump
11/13/1990US4969865 Temporary circulatory assist pump
11/13/1990US4969803 Compressor unit
11/13/1990US4969799 Blower fan blade
11/13/1990US4969798 Diffuser for a centrifugal compressor
11/13/1990US4969797 Fan motor
11/13/1990US4969421 Cooling device for an internal combustion engine
11/13/1990US4969326 Hoop shroud for the low pressure stage of a compressor
11/13/1990CA1276073C Rotary joint
11/07/1990EP0396008A2 Vacuum pump with suction filter
11/07/1990EP0395766A1 Method and diffuser device for widening a flow
11/07/1990CN2065258U Combined shaft seal for dry electric pump
11/07/1990CN1046789A Axle of electric immersible pump for oil extraction
11/06/1990US4968217 Variable pitch arrangement for a gas turbine engine
11/06/1990CA1275848C Ventilator scroll arrangement
11/01/1990WO1990012963A1 High capacity, high efficiency pump
10/1990
10/31/1990EP0395604A1 Centrifugal pump
10/31/1990EP0395234A1 Pump with seal cooling means
10/31/1990EP0395163A1 Improved hair dryer with spiral blower
10/31/1990EP0227758B1 Pump unit
10/31/1990DE4014175A1 Cooling system for oil pump - makes use of common drive shaft for pump and blower
10/31/1990CN1046587A Submersible pump for automobile watering cleaner
10/31/1990CN1010241B Regulator for cavitation test of pump
10/30/1990US4966572 Drive and bearing for water pump
10/30/1990US4966534 Sump draining apparatus
10/30/1990US4966532 All dry submersible motor pump with a concordant seal system
10/30/1990US4966524 Blower
10/30/1990US4966523 Two-row pipe diffusers with boundary layer control
10/30/1990US4966522 In-tank type fuel pump
10/30/1990CA1275573C Method and apparatus for increasing the operating efficiency of a liquid-flow machine
10/25/1990DE3912910A1 Jet-propulsion unit for boat or aircraft - comprises rotary jet pipe with internal auger or blades forming driving members
10/25/1990DE3912371A1 Burst-roof energy storing fly-wheel - has prestress in outer ring which is greater than opposing stress caused by centrifugal forces at max. speed
10/24/1990EP0393564A1 Hydraulic screw pump with true sized gap sealing
10/23/1990US4964785 Pump assembly
10/23/1990US4964783 Device for emptying a liquid-collection tank in a water-conducting household appliance
10/23/1990US4964646 Fluid handling apparatus with shaft sleeve and extension
10/18/1990DE4003940C1 Radial-flow compressor with inlet flow control - has inlet passage housing with three differently shaped passages between suction line and impeller
10/18/1990DE3912279A1 Guide wheel for centrifugal pump - has arrangement of different sized flow channels
10/17/1990EP0392418A2 Device for the ventilation of railway traction engines and for filtering the ventilation air
10/17/1990EP0392027A1 Gas laser oscillator
10/17/1990EP0391902A1 Mechanically driven charger for internal combustion engines.
10/17/1990CN2063992U Magnetic seat type fluid sucktion pump
10/17/1990CN1010049B Balancing-type rotary diversion case deep well phreatic water pump
10/17/1990CN1010048B Pump
10/16/1990US4963076 Radial blower with resiliently mounted bearing holders
10/16/1990US4962734 Electrically driven, circumferentially supported fan
10/11/1990CA2010151A1 Power turbine ventilation system
10/10/1990EP0391525A1 An axial flow compressor